Home / 626,631.32-939,983.54-177,314.60

Finding the Fourth Proportional to 626,631.32, 939,983.54 and 177,314.60

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Solution

The fourth proportional to 626,631.32, 939,983.54 and 177,314.60 is: 265,982.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,631.32 : 939,983.54 = 177,314.60 : x
  2. Step 2: Convert to fraction form
    626,631.32/939,983.54 = 177,314.60/x
  3. Step 3: Cross multiply
    626,631.32x = 939,983.54 × 177,314.60
  4. Step 4: Simplify right side
    626,631.32x = 166,672,806,865.07
  5. Step 5: Solve for x
    x = 166,672,806,865.07/626,631.32
  6. Step 6: Final answer
    x = 265,982.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.